chore(seed): Remove test challenge format

seed/challenges/05-apis-and-microservices/api-and-microservice-projects.json

@@ -4,34 +4,6 @@
   "time": "150 hours",
   "helpRoom": "HelpBackend",
   "challenges": [
-    {
-      "id": "57ed709d334ad35e8fe79acb",
-      "title": "New Backend Format",
-      "isBeta": "true",
-      "meta": "This is just a test",
-      "description": [
-        "This is just a test of the new backend challenge test framework"
-      ],
-      "tests": [
-        {
-          "text": "website should return 200",
-          "testString": "getUserInput => $.ajax({ url: getUserInput('url'), method: 'HEAD' }).then(null, (err) => assert.fail(err));"
-        },
-        {
-          "text": "package.json should have a valid \"keywords\" key",
-          "testString": "getUserInput => ($.get(getUserInput('url') + '/_api/package.json').then(function(data){ var packJson = JSON.parse(data); assert(packJson.keywords); }, err => { throw new Error('Err: ' + err.statusText);}))"
-        },
-        {
-          "text": "\"keywords\" field should be an Array",
-          "testString": "getUserInput => ($.get(getUserInput('url') + '/_api/package.json').then(function(data){ var packJson = JSON.parse(data); assert.isArray(packJson.keywords); }, err => { throw new Error('Err: ' + err.statusText);}))"
-        },
-        {
-          "text": "\"keywords\" should include \"freecodecamp\"",
-          "testString": "getUserInput => ($.get(getUserInput('url') + '/_api/package.json').then(function(data){ var packJson = JSON.parse(data); assert.include(packJson.keywords, 'freecodecamp'); }, err => { throw new Error('Err: ' + err.statusText); }))"
-        }
-      ],
-      "type": "backend"
-    },
     {
       "id": "bd7158d8c443edefaeb5bdef",
       "title": "Timestamp Microservice",